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UCC2583DTR PDF预览

UCC2583DTR

更新时间： 2024-11-08 12:01:43
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管信息通信管理
页数 文件大小 规格书
18页 1097K
描述
Switch Mode Secondary Side Post Regulator

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中文翻译

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UCC2583DTR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOIC-14针数：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.16Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：14 V
最小输入电压：8.9 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G14JESD-609代码：e4
长度：8.65 mm湿度敏感等级：2
功能数量：1端子数量：14
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：1.8 A封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP14,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.58 mm子类别：Switching Regulator or Controllers
标称供电电压 (Vsup)：12 V表面贴装：YES
切换器配置：SINGLE最大切换频率：500 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.91 mm
Base Number Matches：1

UCC2583DTR 数据手册

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UCC1583  
UCC2583  
UCC3583  
Switch Mode Secondary Side Post Regulator  
FEATURES  
DESCRIPTION  
• Precision Secondary Side Post  
Regulation for Multiple Output Power  
Supplies  
The UCC3583 is a synchronizable secondary side post regulator for preci-  
sion regulation of the auxiliary outputs of multiple output power supplies. It  
contains a leading edge pulse width modulator, which generates the gate  
drive signal for a FET power switch connected in series with the rectifying  
diode. The turn-on of the power switch is delayed from the leading edge of  
the secondary power pulse to regulate the output voltage. The UCC3583  
contains a ramp generator slaved to the secondary power pulse, a voltage  
error amplifier, a current error amplifier, a PWM comparator and associ-  
ated logic, a gate driver, a precision reference, and protection circuitry.  
• Useful for Both Single Ended and  
Center Tapped Secondary Circuits  
• Ideal Replacement for Complex  
Magnetic Amplifier Regulated Circuits  
• Leading Edge Modulation  
The ramp discharge and termination of the gate drive signal are triggered  
by the synchronization pulse, typically derived from the falling edge of the  
transformer secondary voltage. The ramp starts charging again once its  
low threshold is reached. The gate drive signal is turned on when the ramp  
voltage exceeds the control voltage. This leading edge modulation tech-  
nique prevents instability when the UCC3583 is used in peak current mode  
primary controlled systems.  
• Does Not Require Gate Drive  
Transformer  
• High Frequency (>500kHz) Operation  
• Applicable for Wide Range of Output  
Voltages  
• High Current Gate Driver (0.5A  
The controller operates from a floating power supply referenced to the out-  
put voltage being controlled. It features an undervoltage lockout (UVLO)  
circuit, a soft start circuit, and an averaging current limit amplifier. The cur-  
rent limit can be programmed to be proportional to the output voltage, thus  
achieving foldback operation to minimize the dissipation under short circuit  
conditions.  
Sink/1.5A Source)  
• Average Current Limiting Loop  
(continued)  
TYPICAL APPLICATION AND BLOCK DIAGRAM  
UDG-96201-2  
Note: Pin connections shown for 14-pin packages.  
SLUS299B - OCTOBER 1998 - REVISED JANUARY 2005  
1234567...18

中文翻译

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UCC2583DTR 替代型号

型号 品牌 替代类型 描述 数据表
UCC3583D TI

类似代替

 Switch Mode Secondary Side Post Regulator
UCC2583D TI

类似代替

 Switch Mode Secondary Side Post Regulator
UCC2583DG4 TI

类似代替

 Switch Mode Secondary Side Post Regulator

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 		1.8A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PQCC20, GREEN, PLASTIC, LCC-20
UCC2583QTR TI

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UCC2583QTRG3 TI

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UCC2585 TI

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 		Low Voltage Synchronous Buck Controller
UCC2585DG4 TI

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 		1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC
UCC2585DTR TI

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 		1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO16, PLASTIC, MS-012AC, SOIC-16

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